package com.jd.service;

import com.jd.entity.User;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 * 平台用户 服务类
 * </p>
 *
 * @author wangshuping
 * @since 2021-11-21
 */
public interface UserService extends IService<User> {

    boolean accountExist(String username);
}
